Bookshelf



FIG. 1 is a top, front, right side perspective view of a bookshelf, showing my new design;

FIG. 2 is a top, rear, left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view, the right side view being a mirror image of FIG. 5 ;

FIG. 6 is a top plan view thereof;

FIG. 7 is a partial enlarged view of FIG. 1 ; and,

FIG. 8 is a partial enlarged view of FIG. 2 .

The broken lines in the figures are for the purposes of illustrating portions of the bookshelf, which form no part of the claimed design.

The dash-dot-dash lines are for an notating enlarged views, which form no part of the claim design. 

CLAIM The ornamental design for a bookshelf, as shown and described. 